PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-22:42:50
G01     220.7          13.6               10.2 +/-    1.91      26.3 +/-    1.91  0.050 / 0.040
G03     279.3          68.9                7.5 +/-    0.76       8.0 +/-    0.76  0.040 / 0.050
G09     297.6          13.8                9.7 +/-    2.03      24.9 +/-    2.03  0.100 / 0.200
G14     87.4           26.1                9.9 +/-    1.59      19.0 +/-    1.59  0.090 / 0.260
G16     139.4          49.1               11.4 +/-    0.77      14.5 +/-    0.77  0.050 / 0.080
G22     212.3          67.2               10.8 +/-    0.61      11.6 +/-    0.61  0.050 / 0.080
G23     310.4          40.2                7.6 +/-    1.06      11.0 +/-    1.06  0.050 / 0.040
G26     89.4           54.4                8.6 +/-    0.51      10.3 +/-    0.51  0.040 / 0.050
G31     47.2           28.4                5.1 +/-    1.25       9.3 +/-    1.25  0.050 / 0.080